root@myregion:~# openstack network show public +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | UP | | availability_zone_hints | | | availability_zones | nova | | created_at | 2025-10-11T10:19:05Z | | description | | | dns_domain | None | | id | c737e6cc-a75c-4f8b-8259-b9fb634e05c5 | | ipv4_address_scope | None | | ipv6_address_scope | None | | is_default | False | | is_vlan_transparent | None | | mtu | 1500 | | name | public | | port_security_enabled | True | | project_id | fc795a08d41d4849910823d60f0cbbfa | | provider:network_type | flat | | provider:physical_network | public_network | | provider:segmentation_id | None | | qos_policy_id | None | | revision_number | 2 | | router:external | External | | segments | None | | shared | False | | status | ACTIVE | | subnets | 335610a3-4a89-4d88-b62c-478f470940e7 | | tags | | | tenant_id | fc795a08d41d4849910823d60f0cbbfa | | updated_at | 2025-10-11T10:19:08Z | +---------------------------+--------------------------------------+ root@myregion:~# openstack subnet show public-subnet +----------------------+--------------------------------------+ | Field | Value | +----------------------+--------------------------------------+ | allocation_pools | 88.216.39.220-88.216.39.222 | | cidr | 88.216.39.216/29 | | created_at | 2025-10-11T10:19:08Z | | description | | | dns_nameservers | 8.8.8.8 | | dns_publish_fixed_ip | None | | enable_dhcp | True | | gateway_ip | 88.216.39.217 | | host_routes | | | id | 335610a3-4a89-4d88-b62c-478f470940e7 | | ip_version | 4 | | ipv6_address_mode | None | | ipv6_ra_mode | None | | name | public-subnet | | network_id | c737e6cc-a75c-4f8b-8259-b9fb634e05c5 | | project_id | fc795a08d41d4849910823d60f0cbbfa | | revision_number | 0 | | segment_id | None | | service_types | | | subnetpool_id | None | | tags | | | updated_at | 2025-10-11T10:19:08Z | +----------------------+--------------------------------------+ root@myregion:~# openstack port list +--------------------------------------+------+-------------------+------------------------------------------------------------------------------+--------+ | ID | Name | MAC Address | Fixed IP Addresses | Status | +--------------------------------------+------+-------------------+------------------------------------------------------------------------------+--------+ | 33a69ca7-c909-41d9-a64c-b7bd582495e8 | | fa:16:3e:a6:f5:f3 | ip_address='88.216.39.220', subnet_id='335610a3-4a89-4d88-b62c-478f470940e7' | ACTIVE | +--------------------------------------+------+-------------------+------------------------------------------------------------------------------+--------+ root@myregion:~# openstack port show 33a69ca7-c909-41d9-a64c-b7bd582495e8 +-------------------------+--------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +-------------------------+--------------------------------------------------------------------------------------------------------------------------------+ | admin_state_up | UP | | allowed_address_pairs | | | binding_host_id | myregion.hostname.com | | binding_profile | | | binding_vif_details | bound_drivers.0='openvswitch', bridge_name='br-int', connectivity='l2', datapath_type='system', ovs_hybrid_plug='True', | | | port_filter='True' | | binding_vif_type | ovs | | binding_vnic_type | normal | | created_at | 2025-10-11T10:23:15Z | | data_plane_status | None | | description | | | device_id | dhcp9e7aeb1f-4551-50a4-8430-79d5211b050c-c737e6cc-a75c-4f8b-8259-b9fb634e05c5 | | device_owner | network:dhcp | | device_profile | None | | dns_assignment | None | | dns_domain | None | | dns_name | None | | extra_dhcp_opts | | | fixed_ips | ip_address='88.216.39.220', subnet_id='335610a3-4a89-4d88-b62c-478f470940e7' | | hardware_offload_type | None | | hints | | | id | 33a69ca7-c909-41d9-a64c-b7bd582495e8 | | ip_allocation | None | | mac_address | fa:16:3e:a6:f5:f3 | | name | | | network_id | c737e6cc-a75c-4f8b-8259-b9fb634e05c5 | | numa_affinity_policy | None | | port_security_enabled | False | | project_id | fc795a08d41d4849910823d60f0cbbfa | | propagate_uplink_status | None | | resource_request | None | | revision_number | 3 | | qos_network_policy_id | None | | qos_policy_id | None | | security_group_ids | | | status | ACTIVE | | tags | | | trunk_details | None | | updated_at | 2025-10-11T10:23:27Z | +-------------------------+--------------------------------------------------------------------------------------------------------------------------------+ root@myregion:~# openstack network agent list +--------------------------------------+--------------------+-----------------------+-------------------+-------+-------+---------------------------+ | ID | Agent Type | Host | Availability Zone | Alive | State | Binary | +--------------------------------------+--------------------+-----------------------+-------------------+-------+-------+---------------------------+ | 5663122b-1e6f-42e4-bb81-49f55349bb86 | L3 agent | myregion.hostname.com | nova | :-) | UP | neutron-l3-agent | | 5bbea6b1-1a5a-40f3-b109-ec39cb825147 | DHCP agent | myregion.hostname.com | nova | :-) | UP | neutron-dhcp-agent | | a2b37db0-7ef7-42e8-8c89-7f20599cf618 | Metadata agent | myregion.hostname.com | None | :-) | UP | neutron-metadata-agent | | ec7227c3-92ba-4250-8cb9-68881d2125df | Open vSwitch agent | myregion.hostname.com | None | :-) | UP | neutron-openvswitch-agent | +--------------------------------------+--------------------+-----------------------+-------------------+-------+-------+---------------------------+ root@myregion:~# openstack network rbac list +--------------------------------------+-------------+--------------------------------------+ | ID | Object Type | Object ID | +--------------------------------------+-------------+--------------------------------------+ | f90416ff-678b-42d3-b75e-50b2053268c6 | network | c737e6cc-a75c-4f8b-8259-b9fb634e05c5 | +--------------------------------------+-------------+--------------------------------------+ root@myregion:~# openstack network rbac show f90416ff-678b-42d3-b75e-50b2053268c6 +-------------------+--------------------------------------+ | Field | Value | +-------------------+--------------------------------------+ | action | access_as_external | | id | f90416ff-678b-42d3-b75e-50b2053268c6 | | object_id | c737e6cc-a75c-4f8b-8259-b9fb634e05c5 | | object_type | network | | project_id | fc795a08d41d4849910823d60f0cbbfa | | target_project_id | * | +-------------------+--------------------------------------+ root@myregion:~# openstack security group list +--------------------------------------+---------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+---------+------------------------+----------------------------------+------+ | 9bf8161f-b155-4062-8600-967eca1899cc | default | Default security group | fc795a08d41d4849910823d60f0cbbfa | [] | +--------------------------------------+---------+------------------------+----------------------------------+------+ root@myregion:~# openstack security group show default +-----------------+----------------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +-----------------+----------------------------------------------------------------------------------------------------------------------------------------+ | created_at | 2025-10-11T10:19:05Z | | description | Default security group | | id | 9bf8161f-b155-4062-8600-967eca1899cc | | name | default | | project_id | fc795a08d41d4849910823d60f0cbbfa | | revision_number | 1 | | rules | created_at='2025-10-11T10:19:05Z', direction='ingress', ethertype='IPv4', id='6a4d3900-cc05-4b8b-9119-f93627665dfd', | | | remote_group_id='9bf8161f-b155-4062-8600-967eca1899cc', standard_attr_id='9', updated_at='2025-10-11T10:19:05Z' | | | created_at='2025-10-11T10:19:05Z', direction='egress', ethertype='IPv6', id='d119172e-823b-4383-b6de-97fdb38eb664', | | | standard_attr_id='8', updated_at='2025-10-11T10:19:05Z' | | | created_at='2025-10-11T10:19:05Z', direction='ingress', ethertype='IPv6', id='ec86fd00-7e7a-4800-9b49-d0f58ba07418', | | | remote_group_id='9bf8161f-b155-4062-8600-967eca1899cc', standard_attr_id='6', updated_at='2025-10-11T10:19:05Z' | | | created_at='2025-10-11T10:19:05Z', direction='egress', ethertype='IPv4', id='1c3642d5-2f7a-4fde-98a4-3519368b29cb', | | | standard_attr_id='7', updated_at='2025-10-11T10:19:05Z' | | shared | False | | stateful | True | | tags | [] | | updated_at | 2025-10-11T10:19:05Z | +-----------------+----------------------------------------------------------------------------------------------------------------------------------------+ root@gpt246:~# openstack hypervisor list +--------------------------------------+------------------------+-----------------+--------------+-------+ | ID | Hypervisor Hostname | Hypervisor Type | Host IP | State | +--------------------------------------+------------------------+-----------------+--------------+-------+ | ed5ad0e8-e791-4c81-b48b-bb6c37a8ddad | mycompute.hostname.com | QEMU | mycompute_ip | up | +--------------------------------------+------------------------+-----------------+--------------+-------+ root@gpt246:~# openstack network agent list +--------------------------------------+--------------------+-----------------------+-------------------+-------+-------+---------------------------+ | ID | Agent Type | Host | Availability Zone | Alive | State | Binary | +--------------------------------------+--------------------+-----------------------+-------------------+-------+-------+---------------------------+ | 5663122b-1e6f-42e4-bb81-49f55349bb86 | L3 agent | myregion.hostname.com | nova | :-) | UP | neutron-l3-agent | | 5bbea6b1-1a5a-40f3-b109-ec39cb825147 | DHCP agent | myregion.hostname.com | nova | :-) | UP | neutron-dhcp-agent | | a2b37db0-7ef7-42e8-8c89-7f20599cf618 | Metadata agent | myregion.hostname.com | None | :-) | UP | neutron-metadata-agent | | ec7227c3-92ba-4250-8cb9-68881d2125df | Open vSwitch agent | myregion.hostname.com | None | :-) | UP | neutron-openvswitch-agent | +--------------------------------------+--------------------+-----------------------+-------------------+-------+-------+---------------------------+ root@gpt246:~# openstack compute service list +--------------------------------------+----------------+------------------------+----------+---------+-------+----------------------------+ | ID | Binary | Host | Zone | Status | State | Updated At | +--------------------------------------+----------------+------------------------+----------+---------+-------+----------------------------+ | e2b87397-6c1b-4f8f-9f2e-8716e931dd42 | nova-scheduler | myregion.hostname.com | internal | enabled | up | 2025-10-11T12:52:48.000000 | | 7b37feca-b054-4824-a622-2177b5100650 | nova-conductor | myregion.hostname.com | internal | enabled | up | 2025-10-11T12:52:43.000000 | | 7dde4cab-2e5c-4aa1-a6e0-b6bbb80df5e1 | nova-compute | mycompute.hostname.com | nova | enabled | up | 2025-10-11T12:52:50.000000 | +--------------------------------------+----------------+------------------------+----------+---------+-------+----------------------------+ Error: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/nova/conductor/manager.py", line 705, in build_instances raise exception.MaxRetriesExceeded(reason=msg) nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1d430bae-a858-4cb9-8ebd-24223c13c1c6. ==> /var/log/nova/nova-conductor.log <== 2025-10-11 16:17:04.253 2267 ERROR nova.scheduler.utils [None req-d8fca8fb-6db0-481c-ad4d-1ba2328a939c ebd41e988299498fae0bf1a6b37e1532 fc795a08d41d4849910823d60f0cbbfa - - default default] [instance: fd428fa6-1ff2-4673-947d-48a2b4804acb] Error from last host: mycompute.hostname.com (node mycompute.hostname.com): ['Traceback (most recent call last):\n', ' File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 2632, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/usr/lib/python3/dist-packages/nova/virt/libvirt/driver.py", line 4640, in spawn\n xml = self._get_guest_xml(context, instance, network_info,\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/virt/libvirt/driver.py", line 7800, in _get_guest_xml\n network_info_str = str(network_info)\n ^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/network/model.py", line 620, in __str__\n return self._sync_wrapper(fn, *args, **kwargs)\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/network/model.py", line 603, in _sync_wrapper\n self.wait()\n', ' File "/usr/lib/python3/dist-packages/nova/network/model.py", line 635, in wait\n self[:] = self._gt.wait()\n ^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/eventlet/greenthread.py", line 224, in wait\n return self._exit_event.wait()\n ^^^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/eventlet/event.py", line 124, in wait\n result = hub.switch()\n ^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/eventlet/hubs/hub.py", line 310, in switch\n return self.greenlet.switch()\n ^^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/eventlet/greenthread.py", line 264, in main\n result = function(*args, **kwargs)\n ^^^^^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/utils.py", line 664, in context_wrapper\n return func(*args, **kwargs)\n ^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 2002, in _allocate_network_async\n raise e\n', ' File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 1980, in _allocate_network_async\n nwinfo = self.network_api.allocate_for_instance(\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/network/neutron.py", line 1229, in allocate_for_instance\n created_port_ids = self._update_ports_for_instance(\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/network/neutron.py", line 1365, in _update_ports_for_instance\n with excutils.save_and_reraise_exception():\n', ' File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 227, in __exit__\n self.force_reraise()\n', ' File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise\n raise self.value\n', ' File "/usr/lib/python3/dist-packages/nova/network/neutron.py", line 1340, in _update_ports_for_instance\n updated_port = self._update_port(\n ^^^^^^^^^^^^^^^^^^\n', ' File "/usr/lib/python3/dist-packages/nova/network/neutron.py", line 585, in _update_port\n _ensure_no_port_binding_failure(port)\n', ' File "/usr/lib/python3/dist-packages/nova/network/neutron.py", line 294, in _ensure_no_port_binding_failure\n raise exception.PortBindingFailed(port_id=port[\'id\'])\n', 'nova.exception.PortBindingFailed: Binding failed for port 75b59909-8e8b-4fe1-b98b-8b6ac47edf74, please check neutron logs for more information.\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 2447, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/usr/lib/python3/dist-packages/nova/compute/manager.py", line 2739, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance fd428fa6-1ff2-4673-947d-48a2b4804acb was re-scheduled: Binding failed for port 75b59909-8e8b-4fe1-b98b-8b6ac47edf74, please check neutron logs for more information.\n'] 2025-10-11 16:17:04.257 2267 WARNING nova.scheduler.utils [None req-d8fca8fb-6db0-481c-ad4d-1ba2328a939c ebd41e988299498fae0bf1a6b37e1532 fc795a08d41d4849910823d60f0cbbfa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fd428fa6-1ff2-4673-947d-48a2b4804acb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fd428fa6-1ff2-4673-947d-48a2b4804acb. 2025-10-11 16:17:04.258 2267 WARNING nova.scheduler.utils [None req-d8fca8fb-6db0-481c-ad4d-1ba2328a939c ebd41e988299498fae0bf1a6b37e1532 fc795a08d41d4849910823d60f0cbbfa - - default default] [instance: fd428fa6-1ff2-4673-947d-48a2b4804acb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fd428fa6-1ff2-4673-947d-48a2b4804acb.